CVE-2018-14624 Denial of service in 389-ds-base

What is CVE-2018-14624?

CVE-2018-14624 is a high-severity denial of service vulnerability in Debian Debian Linux, published on 6 Sep 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A vulnerability was discovered in 389-ds-base through versions 1.3.7.10, 1.3.8.8 and 1.4.0.16. The lock controlling the error log was not correctly used when re-opening the log file in log__error_emergency(). An attacker could send a flood of modifications to a very large DN, which would cause slapd to crash.

Weakness: CWE-20

Which versions are affected by CVE-2018-14624?

It affects 8 products.

Products include Debian Debian Linux, Fedoraproject 389 Directory Server, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Server, Redhat Enterprise Linux Server Aus, Redhat Enterprise Linux Server Eus and 2 more.

How do I fix CVE-2018-14624?

Apply the vendor's patch.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2018-14624 being exploited?

There is no known exploitation of CVE-2018-14624 in the wild and no public exploit code.

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• CVE-2026-24061 GNU InetUtils Argument Injection Exploited Critical 9.8
• CVE-2025-39682 Linux Kernel Improper Check for Unusual or Exceptional Conditions Exploited Critical 9.8
• CVE-2024-9680 Mozilla Firefox Use-After-Free Exploited Critical 9.8

All Debian Debian Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2018-14624, DLA-1526-1, GHSA-2986-vwq2-p2w6, UBUNTU-CVE-2018-14624.